FR2244305B3 - - Google Patents

Info

Publication number
FR2244305B3
FR2244305B3 FR7430845A FR7430845A FR2244305B3 FR 2244305 B3 FR2244305 B3 FR 2244305B3 FR 7430845 A FR7430845 A FR 7430845A FR 7430845 A FR7430845 A FR 7430845A FR 2244305 B3 FR2244305 B3 FR 2244305B3
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7430845A
Other versions
FR2244305A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2244305A1 publication Critical patent/FR2244305A1/fr
Application granted granted Critical
Publication of FR2244305B3 publication Critical patent/FR2244305B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR7430845A 1973-09-18 1974-09-12 Expired FR2244305B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732346934 DE2346934A1 (de) 1973-09-18 1973-09-18 Digitaler phasenregelkreis

Publications (2)

Publication Number Publication Date
FR2244305A1 FR2244305A1 (fr) 1975-04-11
FR2244305B3 true FR2244305B3 (fr) 1977-06-17

Family

ID=5892944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7430845A Expired FR2244305B3 (fr) 1973-09-18 1974-09-12

Country Status (6)

Country Link
US (1) US3893170A (fr)
BE (1) BE820065A (fr)
DE (1) DE2346934A1 (fr)
FR (1) FR2244305B3 (fr)
IT (1) IT1021424B (fr)
NL (1) NL7412357A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365178A1 (fr) * 1976-09-20 1978-04-14 Cii Honeywell Bull Procede de lecture d'adresses sur un support d'enregistrement magnetique et dispositif pour le mettre en oeuvre
US4158436A (en) * 1977-07-25 1979-06-19 Amp Incorporated Variable timing circuit for card readers and the like
JPS5813046A (ja) * 1981-07-17 1983-01-25 Victor Co Of Japan Ltd デ−タ読み取り回路
DE3322623A1 (de) * 1983-06-23 1985-01-03 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum wiedergewinnen von in binaeren datensignalen enthaltenden daten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3631424A (en) * 1969-07-22 1971-12-28 Honeywell Inc Binary data detecting apparatus responsive to the change in sign of the slope of a waveform
BE790688A (fr) * 1971-10-27 1973-04-27 Xerox Corp Dispositif pour reproduire des bits de donnees enregistrees surun milieu d'enregistrement magnetique
US3736582A (en) * 1972-03-20 1973-05-29 Leach Corp Galloping base line compensating circuit
US3795903A (en) * 1972-09-29 1974-03-05 Ibm Modified phase encoding

Also Published As

Publication number Publication date
FR2244305A1 (fr) 1975-04-11
NL7412357A (nl) 1975-03-20
DE2346934A1 (de) 1975-04-03
BE820065A (fr) 1975-03-18
US3893170A (en) 1975-07-01
IT1021424B (it) 1978-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse